Discriminating capabilities of multifrequency EMI data

Dean A. Keiswetter; William A. SanFilipo; I. J. Won; Jonathan M. Miller; Thomas H. Bell; Ernesto R. Cespedes; Kevin O'Neill

doi:10.1117/12.390609

6 July 2000 Discriminating capabilities of multifrequency EMI data

Dean A. Keiswetter, William A. SanFilipo, I. J. Won, Jonathan M. Miller, Thomas H. Bell, Ernesto R. Cespedes, Kevin O'Neill

Author Affiliations +

Proceedings Volume 4129, Subsurface Sensing Technologies and Applications II; (2000) https://doi.org/10.1117/12.390609
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

Although commercially available geophysical sensors are capable of detecting UXO at nominal burial depths, they cannot reliably discriminate between UXO and clutter. As a result, an estimated 75% of remediation funds are spent on nonproductive excavations. During the past few years, we have been studying the merits of using multifrequency EMI data for discriminating between UXO and non-UXO targets and believe the method has tremendous potential. The EMI spectral response of an object is a function of its electrical conductivity, magnetic permeability, shape, size, and orientation relative the primary exciting field. By measuring a target's spectral response, we obtain its characteristic frequency-dependent signature.

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Dean A. Keiswetter, William A. SanFilipo, I. J. Won, Jonathan M. Miller, Thomas H. Bell, Ernesto R. Cespedes, and Kevin O'Neill "Discriminating capabilities of multifrequency EMI data", Proc. SPIE 4129, Subsurface Sensing Technologies and Applications II, (6 July 2000); https://doi.org/10.1117/12.390609

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